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1996 Pontiac Bonneville

Tiny
MICHAEL HVACR
  • MEMBER
  • 1996 PONTIAC BONNEVILLE
Air Conditioning problem
1996 Pontiac Bonneville 6 cyl Front Wheel Drive Automatic

no air coming in vents only floor &defrost
Tuesday, August 10th, 2010 AT 8:38 PM

3 Replies

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
The problem is caused by the servo mechanism that opens/closes the ventilation door (fresh air mode/recirculate air mode). Note: Some models use vacuum to open doors

This is also called a blend door, you have to remove the front dash trim to get to it.
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Wednesday, August 11th, 2010 AT 8:12 AM
Tiny
MICHAEL HVACR
  • MEMBER
  • 2 POSTS
Did not tell how to get it out dash plastic or door / vac accuuator wont ask for help again
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Wednesday, August 11th, 2010 AT 8:39 PM
Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
The IP and dash removal is hard to describe and difficult to show.


https://www.2carpros.com/forum/automotive_pictures/108325_bonny_dash_1.jpg




https://www.2carpros.com/forum/automotive_pictures/108325_bonny_dash_2_1.jpg



I cannot enlarge the pics, or zoom to specific area.

Best thing to do is to go to local library or community college and get online to Michell.com or Alldata.com and print procedure, these are free services.

Repair manuals like Haynes sometimes show the procedure.

The best resource for this is original factory repair manual, available at Helm.
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Thursday, August 12th, 2010 AT 9:32 AM

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